can valve
Verbo regular: valve - valved- valved

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can valve
you can valve
he can valve
we can valve
you can valve
they can valve 	I can be valving
you can be valving
he can be valving
we can be valving
you can be valving
they can be valving	I can have valved
you can have valved
he can have valved
we can have valved
you can have valved
they can have valved	I can have been valving
you can have been valving
he can have been valving
we can have been valving
you can have been valving
they can have been valving	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't valve
you can't valve
he can't valve
we can't valve
you can't valve
they can't valve 	I can't be valving
you can't be valving
he can't be valving
we can't be valving
you can't be valving
they can't be valving	I can't have valved
you can't have valved
he can't have valved
we can't have valved
you can't have valved
they can't have valved	I can't have been valving
you can't have been valving
he can't have been valving
we can't have been valving
you can't have been valving
they can't have been valving	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I valve?
can you valve?
can he valve?
can we valve?
can you valve?
can they valve? 	can I be valving?
can you be valving?
can he be valving?
can we be valving?
can you be valving?
can they be valving? 	can I have valved?
can you have valved?
can he have valved?
can we have valved?
can you have valved?
can they have valved? 	can I have been valving?
can you have been valving?
can he have been valving?
can we have been valving?
can you have been valving?
can they have been valving? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I valve?
can't you valve?
can't he valve?
can't we valve?
can't you valve?
can't they valve? 	can't I be valving?
can't you be valving?
can't he be valving?
can't we be valving?
can't you be valving?
can't they be valving? 	can't I have valved?
can't you have valved?
can't he have valved?
can't we have valved?
can't you have valved?
can't they have valved? 	can't I have been valving?
can't you have been valving?
can't he have been valving?
can't we have been valving?
can't you have been valving?
can't they have been valving?